diff --git a/Release.md b/Release.md
index cff4dbc1..c5d16402 100644
--- a/Release.md
+++ b/Release.md
@@ -1 +1,4 @@
-### Features
+### Fixes
+
+* Fix the issue of not disabling tcp keepalive when configuring `tcp_keepalive` = -1 in frps.
+* Fix a race condition error.
diff --git a/client/proxy/proxy.go b/client/proxy/proxy.go
index 82d5d9f2..62d02fcf 100644
--- a/client/proxy/proxy.go
+++ b/client/proxy/proxy.go
@@ -143,7 +143,9 @@ func (pxy *BaseProxy) HandleTCPWorkConnection(workConn net.Conn, m *msg.StartWor
 		}
 	}
 	if baseConfig.UseCompression {
-		remote = libio.WithCompression(remote)
+		var releaseFn func()
+		remote, releaseFn = libio.WithCompressionFromPool(remote)
+		defer releaseFn()
 	}
 
 	// check if we need to send proxy protocol info
diff --git a/client/proxy/sudp.go b/client/proxy/sudp.go
index 9d61e228..0981c656 100644
--- a/client/proxy/sudp.go
+++ b/client/proxy/sudp.go
@@ -97,7 +97,9 @@ func (pxy *SUDPProxy) InWorkConn(conn net.Conn, m *msg.StartWorkConn) {
 		}
 	}
 	if pxy.cfg.UseCompression {
-		rwc = libio.WithCompression(rwc)
+		var releaseFn func()
+		rwc, releaseFn = libio.WithCompressionFromPool(rwc)
+		defer releaseFn()
 	}
 	conn = utilnet.WrapReadWriteCloserToConn(rwc, conn)
 
diff --git a/client/proxy/udp.go b/client/proxy/udp.go
index adf92766..cc187000 100644
--- a/client/proxy/udp.go
+++ b/client/proxy/udp.go
@@ -108,7 +108,9 @@ func (pxy *UDPProxy) InWorkConn(conn net.Conn, m *msg.StartWorkConn) {
 		}
 	}
 	if pxy.cfg.UseCompression {
-		rwc = libio.WithCompression(rwc)
+		var releaseFn func()
+		rwc, releaseFn = libio.WithCompressionFromPool(rwc)
+		defer releaseFn()
 	}
 	conn = utilnet.WrapReadWriteCloserToConn(rwc, conn)
 
diff --git a/client/visitor/stcp.go b/client/visitor/stcp.go
index 2ea27f38..86e09ac0 100644
--- a/client/visitor/stcp.go
+++ b/client/visitor/stcp.go
@@ -126,7 +126,9 @@ func (sv *STCPVisitor) handleConn(userConn net.Conn) {
 	}
 
 	if sv.cfg.UseCompression {
-		remote = libio.WithCompression(remote)
+		var releaseFn func()
+		remote, releaseFn = libio.WithCompressionFromPool(remote)
+		defer releaseFn()
 	}
 
 	libio.Join(userConn, remote)
diff --git a/client/visitor/xtcp.go b/client/visitor/xtcp.go
index 9f83b394..713ed341 100644
--- a/client/visitor/xtcp.go
+++ b/client/visitor/xtcp.go
@@ -200,7 +200,9 @@ func (sv *XTCPVisitor) handleConn(userConn net.Conn) {
 		}
 	}
 	if sv.cfg.UseCompression {
-		muxConnRWCloser = libio.WithCompression(muxConnRWCloser)
+		var releaseFn func()
+		muxConnRWCloser, releaseFn = libio.WithCompressionFromPool(muxConnRWCloser)
+		defer releaseFn()
 	}
 
 	_, _, errs := libio.Join(userConn, muxConnRWCloser)
diff --git a/go.mod b/go.mod
index 9572d952..65374ab6 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
 	github.com/coreos/go-oidc/v3 v3.4.0
 	github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb
-	github.com/fatedier/golib v0.1.1-0.20230717092310-8d13bff6d373
+	github.com/fatedier/golib v0.1.1-0.20230720124328-204db2e322f8
 	github.com/fatedier/kcp-go v2.0.4-0.20190803094908-fe8645b0a904+incompatible
 	github.com/go-playground/validator/v10 v10.11.0
 	github.com/google/uuid v1.3.0
@@ -43,7 +43,7 @@ require (
 	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
 	github.com/golang/mock v1.6.0 // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/golang/snappy v0.0.3 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
diff --git a/go.sum b/go.sum
index c1e754d1..68f4520c 100644
--- a/go.sum
+++ b/go.sum
@@ -121,8 +121,8 @@ github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1/go.
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb h1:wCrNShQidLmvVWn/0PikGmpdP0vtQmnvyRg3ZBEhczw=
 github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb/go.mod h1:wx3gB6dbIfBRcucp94PI9Bt3I0F2c/MyNEWuhzpWiwk=
-github.com/fatedier/golib v0.1.1-0.20230717092310-8d13bff6d373 h1:lprMgD5nOD9k2Af0T/al8nU31YvFkTyCtRapi4z2jbQ=
-github.com/fatedier/golib v0.1.1-0.20230717092310-8d13bff6d373/go.mod h1:Wdn1pJ0dHB1lah6FPYwt4AO9NEmWI0OzW13dpzC9g4E=
+github.com/fatedier/golib v0.1.1-0.20230720124328-204db2e322f8 h1:8JYzwZ26k1zEsjgits6GHsQxm2tl3K3FYgMMLcIKBKU=
+github.com/fatedier/golib v0.1.1-0.20230720124328-204db2e322f8/go.mod h1:Lmi9U4VfvdRvonSMh1FgXVy1hCXycVyJk4E9ktokknE=
 github.com/fatedier/kcp-go v2.0.4-0.20190803094908-fe8645b0a904+incompatible h1:ssXat9YXFvigNge/IkkZvFMn8yeYKFX+uI6wn2mLJ74=
 github.com/fatedier/kcp-go v2.0.4-0.20190803094908-fe8645b0a904+incompatible/go.mod h1:YpCOaxj7vvMThhIQ9AfTOPW2sfztQR5WDfs7AflSy4s=
 github.com/fatedier/yamux v0.0.0-20230628132301-7aca4898904d h1:ynk1ra0RUqDWQfvFi5KtMiSobkVQ3cNc0ODb8CfIETo=
@@ -189,8 +189,9 @@ github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaS
 github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx4u74HPM=
 github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
 github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
-github.com/golang/snappy v0.0.3 h1:fHPg5GQYlCeLIPB9BZqMVR5nR9A+IM5zcgeTdjMYmLA=
 github.com/golang/snappy v0.0.3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
+github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
diff --git a/pkg/util/version/version.go b/pkg/util/version/version.go
index 1778fd8e..670e07fc 100644
--- a/pkg/util/version/version.go
+++ b/pkg/util/version/version.go
@@ -19,7 +19,7 @@ import (
 	"strings"
 )
 
-var version = "0.51.0"
+var version = "0.51.1"
 
 func Full() string {
 	return version
diff --git a/server/proxy/http.go b/server/proxy/http.go
index 432dbc10..81139167 100644
--- a/server/proxy/http.go
+++ b/server/proxy/http.go
@@ -175,7 +175,9 @@ func (pxy *HTTPProxy) GetRealConn(remoteAddr string) (workConn net.Conn, err err
 		}
 	}
 	if pxy.cfg.UseCompression {
-		rwc = libio.WithCompression(rwc)
+		var releaseFn func()
+		rwc, releaseFn = libio.WithCompressionFromPool(rwc)
+		defer releaseFn()
 	}
 
 	if pxy.GetLimiter() != nil {
diff --git a/server/proxy/proxy.go b/server/proxy/proxy.go
index aeb2ef05..9d6ee993 100644
--- a/server/proxy/proxy.go
+++ b/server/proxy/proxy.go
@@ -241,7 +241,9 @@ func (pxy *BaseProxy) handleUserTCPConnection(userConn net.Conn) {
 		}
 	}
 	if cfg.UseCompression {
-		local = libio.WithCompression(local)
+		var releaseFn func()
+		local, releaseFn = libio.WithCompressionFromPool(local)
+		defer releaseFn()
 	}
 
 	if pxy.GetLimiter() != nil {
diff --git a/test/e2e/basic/basic.go b/test/e2e/basic/basic.go
index d032a0d9..805b4601 100644
--- a/test/e2e/basic/basic.go
+++ b/test/e2e/basic/basic.go
@@ -298,6 +298,7 @@ var _ = ginkgo.Describe("[Feature: Basic]", func() {
 				case "xtcp":
 					localPortName = framework.TCPEchoServerPort
 					protocol = "tcp"
+					ginkgo.Skip("stun server is not stable")
 				}
 
 				correctSK := "abc"
@@ -363,6 +364,7 @@ var _ = ginkgo.Describe("[Feature: Basic]", func() {
 						use_encryption = true
 						use_compression = true
 						`,
+						skipXTCP: true,
 					},
 					{
 						proxyName:    "with-error-sk",